Home / 30,171.84-41,638.26-18,232.88

Finding the Fourth Proportional to 30,171.84, 41,638.26 and 18,232.88

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Solution

The fourth proportional to 30,171.84, 41,638.26 and 18,232.88 is: 25,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.84 : 41,638.26 = 18,232.88 : x
  2. Step 2: Convert to fraction form
    30,171.84/41,638.26 = 18,232.88/x
  3. Step 3: Cross multiply
    30,171.84x = 41,638.26 × 18,232.88
  4. Step 4: Simplify right side
    30,171.84x = 759,185,189.80
  5. Step 5: Solve for x
    x = 759,185,189.80/30,171.84
  6. Step 6: Final answer
    x = 25,162.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.